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Nearly a quarter of Americans will be living in areas where recreational marijuana use is legal, as voters approved the initiative in California and Massachusetts on Tuesday, and other states including Florida expanded legal access to weed.

The measure passed by a wide margin in California, the Associated Press said.

With pot already legal for use by adults in four states and the District of Columbia, the entire West Coast was set to become a cannabis-friendly zone. Washington state legalized it in a 2012 vote and Oregon did in 2014.

Arizona, Nevada and Maine were expected to join the states and begin extending recreational use of weed to the Northeast.

In addition, measures to legalize medical marijuana or expand its use were on the ballot in North Dakota, Montana, Arkansas and Florida.

At least Florida and North Dakota have passed the measure.

Twenty-five states already have legalized cannabis in some form, whether medical or recreational, or both.

Backers of legalized marijuana sales have tried for decades to win support at the ballot box, with little success until the past few years.